NEW YORK — A woman who locked herself inside a restaurant bathroom for 25 minutes before she was found holding her unconscious 1-year-old son foaming at the mouth has been arrested on a murder charge, authorities said Tuesday.

Latisha Fisher, 35, told investigators who arrived at the 5 Boro Burger on Monday afternoon that "the devil made me do it," police said. She was later questioned at a midtown Manhattan precinct.

A restaurant worker who entered the bathroom saw Fisher holding her son, Gavriel Ortiz-Fisher, the police said.

Restaurant customers, concerned that Fisher and the child were in the bathroom for too long, contacted workers who used a key to get in, the police said. They then called 911. The boy was in cardiac arrest when he was taken to a hospital, where he died.

It wasn't immediately clear if Fisher had an attorney. A phone number listed at the address provided by police wasn't in service.

An autopsy was scheduled for Tuesday, a spokeswoman for the medical examiner said.

A spokesman for the Administration for Children's Services said in a statement that officials were launching an investigation but were limited in what they could discuss because of privacy laws.